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170pd leon fr stutter at idle but revs normal.

Discussion in 'Leon Mk2' started by Rusty, Aug 3, 2016.

  1. Rusty

    Rusty New Member

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    Hey.
    I've been lurking in the shadows the last few weeks reading so many threads but ones that seem similar to me never seem to have a final answer or get derailed by folk just wanting to know about re gens.

    So I've had my car 3 months now and last two months it's had a stutter.

    Start car and it stutters and car physically judders but revs are sitting at usual 750ish,
    No engine lights have come on for it (got ones for the abs issue but that's getting sorted)

    So issue is, judders and stutters at idle but with the revs sitting normal and not even fluctuating.
    Still get 50mpg on motorway trips.
    Overall drive is still normal and powerful but has now got a slight hesitation (in last few weeks)
    Has a slight burble noise in the exhaust.

    Any ideas?

    I've ordered the metal gasket with the small hole to give that a shot.

    Any other ideas?
    Anyone in Glasgow with vag com and can help me rule out maf?

    Cheers
    Rusty
     
  2. JMF894

    JMF894 Full Member

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    Had this myself to

    Remove the egr valve and butterfly below it and clean thoroughly

    Fiddly but not difficult

    Hour tops including refitting

    Jimbo
     
  3. Rusty

    Rusty New Member

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    Brilliant, thank you.

    Did this stop the stutter and car shake at idle?
     
  4. JMF894

    JMF894 Full Member

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    It smoothed out my idle slightly. My issue was more a stutter under acceleration.

    I also fitted the reducer metal gasket at the same time. Be careful you don't drop it into the engine bay.

    Ask me how I know...................... :whistle:

    Jimbo
     
  5. Daniel M

    Daniel M Blackbelts & Chickenheads

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    If you want to rule out the MAF just disconnect it and see if it runs any different without it.
     
  6. Rusty

    Rusty New Member

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    I've done the gasket change to the smaller holed gasket.

    Started and still feels like there is a stutter/misfire,
    Will take it to work and will see if it just needs bedded in.

    If not, I'll still plan to take off egr and clean it up.

    Anyone Glasgow area with vag com?

    Cheers
     
  7. Daniel M

    Daniel M Blackbelts & Chickenheads

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    You could ask in the regional section if anyone local has VCDS
     
  8. Rusty

    Rusty New Member

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    So that I don't become one of the folk asking assistance then never posting results
    Got egr off and it was gummed up, like what happens to the toilet after a night on the drink and a curry.
    Overall seems to stutter less (have the small gasket on side)
    But on the pipe that comes up from below, the seal on that was distorted so I want to replace it. Does anyone know the part number?

    Cheers.
     
  9. Daniel M

    Daniel M Blackbelts & Chickenheads

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    This pipe?

    [​IMG]

    Not sure on the part number for the seal, but if you ask Dave at Sere Motors he should be able to sort one.
     
  10. Rusty

    Rusty New Member

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    Yeah that pipe. The o ring around the top looked huge and distorted so I think it's probably causing a wee leak but not a big enough one to cause eml
     
  11. Daniel M

    Daniel M Blackbelts & Chickenheads

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    Might be the o-rings on here (number 3) either end of no.7 pipe/hose.

    [​IMG]
     
    #11 Daniel M, Sep 29, 2016
    Last edited: Sep 29, 2016
  12. blackquat

    blackquat Full Member

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    How many miles, what condition is your swirl flaps in?
     
  13. Rusty

    Rusty New Member

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    Returned to post as I hate Un finished queries.

    Had this stutter issue,
    Got the metal gasket, still didn't resolve it.
    Cleaned out the egr valve, still didn't resolve it.

    Sort of gave up and just kept driving, yip bad I know.

    Then put her in for oil and filter and asked garage to look at timing.

    He said that it needed slightly adjusted but also wasn't out far enough
    Out to throw up any errors.

    Wow been driving it since service and it's like a whole new car.

    So if your pd170 is stuttering then could be the timing.
     

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